// import parseTime, formatTime and set to filter

/**
 * Show plural label if time is plural number
 * @param {number} time
 * @param {string} label
 * @return {string}
 */
 function pluralize(time, label) {
    if (time === 1) {
      return time + label
    }
    return time + label + 's'
  }
  
  /**
   * @param {number} time
   */
  export function timeAgo(time) {
    const between = Date.now() / 1000 - Number(time)
    if (between < 3600) {
      return pluralize(~~(between / 60), ' minute')
    } else if (between < 86400) {
      return pluralize(~~(between / 3600), ' hour')
    } else {
      return pluralize(~~(between / 86400), ' day')
    }
  }
  
  /**
   * Number formatting
   * like 10000 => 10k
   * @param {number} num
   * @param {number} digits
   */
  export function numberFormatter(num, digits) {
    const si = [
      { value: 1E18, symbol: 'E' },
      { value: 1E15, symbol: 'P' },
      { value: 1E12, symbol: 'T' },
      { value: 1E9, symbol: 'G' },
      { value: 1E6, symbol: 'M' },
      { value: 1E3, symbol: 'k' }
    ]
    for (let i = 0; i < si.length; i++) {
      if (num >= si[i].value) {
        return (num / si[i].value).toFixed(digits).replace(/\.0+$|(\.[0-9]*[1-9])0+$/, '$1') + si[i].symbol
      }
    }
    return num.toString()
  }
  
  /**
   * 10000 => "10,000"
   * @param {number} num
   */
  export function toThousandFilter(num) {
    return (+num || 0).toString().replace(/^-?\d+/g, m => m.replace(/(?=(?!\b)(\d{3})+$)/g, ','))
  }
  
  /**
   * Upper case first char
   * @param {String} string
   */
  export function uppercaseFirst(string) {
    return string.charAt(0).toUpperCase() + string.slice(1)
  }
  
  export function parseTime(time, cFormat) {
    if (arguments.length === 0) {
      return null
    }
  
    if ((time + '').length === 10) {
      time = +time * 1000
    }
  
    const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
    let date
    if (typeof time === 'object') {
      date = time
    } else {
      date = new Date(parseInt(time))
    }
    const formatObj = {
      y: date.getFullYear(),
      m: date.getMonth() + 1,
      d: date.getDate(),
      h: date.getHours(),
      i: date.getMinutes(),
      s: date.getSeconds(),
      a: date.getDay()
    }
    const timeStr = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
      let value = formatObj[key]
      if (key === 'a') {
        return ['一', '二', '三', '四', '五', '六', '日'][value - 1]
      }
      if (result.length > 0 && value < 10) {
        value = '0' + value
      }
      return value || 0
    })
    return timeStr
  }
  
  export function formatTime(time, option) {
    time = +time * 1000
    const d = new Date(time)
    const now = Date.now()
  
    const diff = (now - d) / 1000
  
    if (diff < 30) {
      return '刚刚'
    } else if (diff < 3600) {
      // less 1 hour
      return Math.ceil(diff / 60) + '分钟前'
    } else if (diff < 3600 * 24) {
      return Math.ceil(diff / 3600) + '小时前'
    } else if (diff < 3600 * 24 * 2) {
      return '1天前'
    }
    if (option) {
      return parseTime(time, option)
    } else {
      return (
        d.getMonth() +
        1 +
        '月' +
        d.getDate() +
        '日' +
        d.getHours() +
        '时' +
        d.getMinutes() +
        '分'
      )
    }
  }
  export function getNowFormatDate() {
    var date = new Date()
    var seperator1 = '-'
    var year = date.getFullYear()
    var month = date.getMonth() + 1
    var strDate = date.getDate()
    if (month >= 1 && month <= 9) {
      month = '0' + month
    }
    if (strDate >= 0 && strDate <= 9) {
      strDate = '0' + strDate
    }
    var currentdate = year + seperator1 + month + seperator1 + strDate
    return currentdate
  }
  /* 数字 格式化 */
  export function nFormatter(num, digits) {
    const si = [{
      value: 1e18,
      symbol: 'E'
    },
    {
      value: 1e15,
      symbol: 'P'
    },
    {
      value: 1e12,
      symbol: 'T'
    },
    {
      value: 1e9,
      symbol: 'G'
    },
    {
      value: 1e6,
      symbol: 'M'
    },
    {
      value: 1e3,
      symbol: 'k'
    }
    ]
    for (let i = 0; i < si.length; i++) {
      if (num >= si[i].value) {
        return (
          (num / si[i].value + 0.1)
            .toFixed(digits)
            .replace(/\.0+$|(\.[0-9]*[1-9])0+$/, '$1') + si[i].symbol
        )
      }
    }
    return num.toString()
  }
  
  export function html2Text(val) {
    const div = document.createElement('div')
    div.innerHTML = val
    return div.textContent || div.innerText
  }
  
  export function toThousandslsFilter(num) {
    return (+num || 0)
      .toString()
      .replace(/^-?\d+/g, m => m.replace(/(?=(?!\b)(\d{3})+$)/g, ','))
  }
  // 验证手机号
  export function checkPhone(rule, value, callback) {
    if (!value) {
      return callback(new Error('手机号不能为空'))
    } else {
      const reg = /^1[3|4|5|7|8][0-9]\d{8}$/
      if (reg.test(value)) {
        callback()
      } else {
        return callback(new Error('请输入正确的手机号'))
      }
    }
  }
  export function checkPassword(rule, value, callback) {
    if (!value) {
      return callback(new Error('密码不能为空'))
    } else if (value.length < 6) {
      callback(new Error('请至少输入 6 个字符。请不要使用容易被猜到的密码'))
    } else {
      callback()
    }
  }
  // 手机号证验证
  export function checkTel(value, callback) {
    var reg = /^1[3|4|5|7|8][0-9]\d{8}$/
    return reg.test(value)
  }
  // 身份证验证
  export function checkiDNumber(value, callback) {
    var reg = /\d{17}[\d|x]|\d{15}/
    return reg.test(value)
  }
  // 身份证验证
  export function checkEmails(value, callback) {
    var reg = /^[A-Za-zd]+([-_.][A-Za-zd]+)*@([A-Za-zd]+[-.])+[A-Za-zd]{2,5}$/
    return reg.test(value)
  }
  // 邮箱验证
  export function checkEmail(rule, value, callback) {
    if (!value) {
      return callback(new Error('邮箱不能为空'))
    } else {
      var reg = /^[A-Za-zd]+([-_.][A-Za-zd]+)*@([A-Za-zd]+[-.])+[A-Za-zd]{2,5}$/
      if (reg.test(value)) {
        callback()
      } else {
        return callback(new Error('请输入正确的邮箱'))
      }
    }
  }
  // 英文验证
  export function checkCode(value, callback) {
    var reg = /^[A-Za-z]+$/g
    return reg.test(value)
  }
  // qq验证
  export function checkQq(value, callback) {
    var reg = /^[0-9]+$/g
    return reg.test(value)
  }
  // 银行卡号
  export function formatBankNo(BankNo, callback) {
    var strBin = '10,18,30,35,37,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,58,60,62,65,68,69,84,87,88,94,95,98,99'
    return strBin
  }
  export function getStrleng(str, max) {
    var myLen = 0
    for (var i = 0; i < str.length && myLen <= max * 2; i++) {
      if (str.charCodeAt(i) > 0 && str.charCodeAt(i) < 128) {
        myLen++
      } else myLen += 2
    }
    return myLen
  }
  // 上传图片格式控制
  export function updatedImg(file, obj, callback, func) {
    if (file.size < 10100000) {
      var fileName = file.name
      var suffix = fileName
        .substring(fileName.lastIndexOf('.') + 1)
        .toUpperCase()
      if (
        suffix === 'PDF' ||
        suffix === 'JPG' ||
        suffix === 'JPEG' ||
        suffix === 'PNG' ||
        suffix === 'GIF'
      ) {
        return true
      } else {
        var tipType = '文件类型不正确,请重新上传'
        callback(tipType)
        return false
      }
    } else {
      var tipSize = '文件大小超过5M,请重新上传'
      callback(tipSize)
      return false
    }
  }
  // 上传文档格式控制
  export function updatedFile(file, obj, callback, func) {
    if (file.size < 10100000) {
      var fileName = file.name
      var suffix = fileName
        .substring(fileName.lastIndexOf('.') + 1)
        .toUpperCase()
      if (
        suffix === 'DOC' ||
        suffix === 'DOCX' ||
        suffix === 'XLS' ||
        suffix === 'XLSX' ||
        suffix === 'PDF' ||
        suffix === 'ZIP' ||
        suffix === 'RAR'
      ) {
        return true
      } else {
        var tipType = '文件类型不正确,请重新上传'
        callback(tipType)
        return false
      }
    } else {
      var tipSize = '文件大小超过5M,请重新上传'
      callback(tipSize)
      return false
    }
  }
  export function importFile(file, obj, callback, func) {
    if (file.size < 10100000) {
      var fileName = file.name
      var suffix = fileName
        .substring(fileName.lastIndexOf('.') + 1)
        .toUpperCase()
      if (
        suffix === 'XLS' ||
        suffix === 'XLSX'
      ) {
        return true
      } else {
        var tipType = '文件类型不正确,请重新上传'
        callback(tipType)
        return false
      }
    } else {
      var tipSize = '文件大小超过10M,请重新上传'
      callback(tipSize)
      return false
    }
  }
  export function minHeight(resfile) {
    return document.body.clientHeight - 180 + 'px'
  }
  
  export function formatDate(date, fmt = 'yyyy-MM-dd') {
    if (!(date instanceof Array)) {
      date = new Date(date)
    }
    if (/(y+)/.test(fmt)) {
      fmt = fmt.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length))
    }
    const o = {
      'M+': date.getMonth() + 1,
      'd+': date.getDate(),
      'h+': date.getHours(),
      'm+': date.getMinutes(),
      's+': date.getSeconds()
    }
    for (const k in o) {
      if (new RegExp(`(${k})`).test(fmt)) {
        const str = o[k] + ''
        fmt = fmt.replace(RegExp.$1, (RegExp.$1.length === 1) ? str : padLeftZero(str))
      }
    }
    return fmt
  }
  
  function padLeftZero(str) {
    return ('00' + str).substr(str.length)
  }
  export function getBlob(response) {
    const blob = new Blob([response.data], {
      type: 'application/vnd.ms-excel'
    })
    const link = document.createElement('a')
    link.href = window.URL.createObjectURL(blob)
    var filename = decodeURI(response.headers.filename)
    // link.download = filename + '.xls'
    link.download = filename
    link.click()
  }
  // 图片 blob 流转化为可用 src
  export function imgHandle(obj) {
    return window.URL.createObjectURL(obj)
  }
  